AI Tutor
Can your tongue roll like a purring cat, or make a clicking noise like a clock?
Your mouth can make hundreds of different sounds, but no single language uses all of them.

The Sound Toolbox

Every spoken language is built from tiny speech sounds called phonemes. English uses about 44 of these building blocks to make every word you know.
What happens when you listen to a language from across the world?

Sounds That English Doesn't Have

Other languages have special sounds that English speakers never use in normal words.
In Spanish, the double-r makes a vibrating flutter called a trill, where the tip of your tongue taps super fast against the roof of your mouth, like in the word perro (dog).
In French, some vowels are nasal sounds, which means air flows through both your nose and mouth at the same time to make a warm, buzzy tone in words like bon (good).
How do our ears get good at catching these brand-new sounds?

Training Your Super Ears